Portion of a shoe sole



FIG. 1 is a bottom plan view of a portion of a shoe sole showing my newdesign;

FIG. 2 is a left side elevational view thereof; and

FIG. 3 is a right side elevational view thereof.

The broken line showing of a shoe sole in FIGS. 1-3 is for illustrativepurposes and forms no part of the claimed design.

The ornamental design for a portion of a shoe sole, as shown anddescribed.